Perhaps you should try some spelling variations:
literatura en » literatura de, literatura espana
literatura es » literatura el, literatura del, literatura ele
literatura e » literatura de, literatura del
un islam » el islam, e islam, al islam
una isla » la isla, una idea
en isla » e isla, en isaac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( literatura en un islam. ) or ( ((literatura es) OR (literatura e)) ((en isla) or (una isla)). ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( literatura en un islam. ) OR ( ((literatura es) OR (literatura e)) ((en isla) OR (una isla)). )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( literatura en un islam. ) or ( ((literatura es) OR (literatura e)) ((en isla) or (una isla)). ))".
• Adding a wildcard symbol may retrieve word variants: (( literatura en un islam. ) or ( ((literatura es) OR (literatura e)) ((en isla) or (una isla)). ))*.